DLK-M683 uses WCDMA/HSDPA/HSUPA wireless net to realize data delivery in industry, supporting message content including digital, voice, video, SMS and fax and dial-up Internet.

(1)Stable performance. Timing online test and reconnect and watchdog to ensure operation.
(2)Remote control. Telephone wake-up, remote reset and upgrade.
(3)Industrial-class design. metal shell, waterproof, moisture-proof, lightning protection, electromagnetic interference shielding.
(4)USB2.0 transparent data delivery.
(5)Wide applications. Power allocation, industrial monitoring, video surveillance, LED display, GPS, traffic control, remote measurement, POS machines, securities exchange, etc.